Key result
Autopsy and dynamic MRI confirmed a rare case of familial idiopathic dilatation of bilateral atria in a 59-year-old man and his siblings, presenting with congestive heart failure.
Case Report (n=1)
No
Describes a rare autopsy case of familial idiopathic dilatation of bilateral atria leading to cardiogenic shock.
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Suggests considering familial atrial dilatation in unexplained CHF; leaves open genetic and natural history studies.
A 59-year-old male patient was followed up for congestive heart failure. Echo cardiogram showed no abnormal findings other than a remarkable dilatation of the bilateral atria. The coronary arteries and left ventricular contraction were normal. Left ventricular endomyocardial biopsy showed no significant abnormal findings. Further, we examined his siblings using dynamic magnetic resonance imaging (MRI) and found that they all also had dilated bilateral atria. After several hospitalizations, the proband died from cardiogenic shock. Pathological findings showed nonspecific change in bilateral atria and ventricles. This is a very rare case of familial idiopathic dilatation of bilateral atria.
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Arao et al. (1999) conducted a case report in Familial Idiopathic Dilatation of Bilateral Atria (n=1). Familial idiopathic dilatation of bilateral atria was evaluated. Autopsy and dynamic MRI confirmed a rare case of familial idiopathic dilatation of bilateral atria in a 59-year-old man and his siblings, presenting with congestive heart failure.
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